Exposure
ID
MATIS.2025-07-16T04:13:07.817_1
Header ID
MATIS.2025-07-16T04:13:07.817
Date updated
2025-07-16 04:20:58 UTC+0000
Release date
2025-07-16 04:13:07 UTC+0000
UTC Start
2025-07-16 04:13:07.817
UTC End
2025-07-16 04:14:07.825
MJD Start
60872.17578492
MJD End
60872.17647945704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0031585
Ambient temperature (°C)
12.65
Seeing (arcsec)
0.81
Observation
ID
68812
Category
calibrator
Program ID
115.27VC.005
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: IMAGING THE RED SUPERGIANT VX SAGITARII WITH VLTI AND ALMA
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / KRTICKA / PALADINI / HÖFNER / FREYTAG / HUMPHREYS
Target
ID
51193
Name
eps Sgr
RA
276.041374
DEC
-34.38532
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.3420 90.3250 121.7000 121.8000
A0-J2 127.8890 127.8210 98.9000 99.0000
A0-K0 125.3580 125.2650 76.9940 77.1350
G1-J2 56.7290 56.6870 60.7000 60.9000
G1-K0 88.1760 88.1380 30.8920 31.0000
J2-K0 48.1180 48.1200 354.9730 355.0920
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.005
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60872.17578492
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041374
DEC -34.38532
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN ID LOW
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 90.342
HIERARCH ESO ISS PBL12 END 90.325
HIERARCH ESO ISS PBLA12 START 121.7
HIERARCH ESO ISS PBLA12 END 121.8
HIERARCH ESO ISS PBL13 START 127.889
HIERARCH ESO ISS PBL13 END 127.821
HIERARCH ESO ISS PBLA13 START 98.9
HIERARCH ESO ISS PBLA13 END 99.0
HIERARCH ESO ISS PBL14 START 125.358
HIERARCH ESO ISS PBL14 END 125.265
HIERARCH ESO ISS PBLA14 START 76.994
HIERARCH ESO ISS PBLA14 END 77.135
HIERARCH ESO ISS PBL23 START 56.729
HIERARCH ESO ISS PBL23 END 56.687
HIERARCH ESO ISS PBLA23 START 60.7
HIERARCH ESO ISS PBLA23 END 60.9
HIERARCH ESO ISS PBL24 START 88.176
HIERARCH ESO ISS PBL24 END 88.138
HIERARCH ESO ISS PBLA24 START 30.892
HIERARCH ESO ISS PBLA24 END 31.0
HIERARCH ESO ISS PBL34 START 48.118
HIERARCH ESO ISS PBL34 END 48.12
HIERARCH ESO ISS PBLA34 START 354.973
HIERARCH ESO ISS PBLA34 END 355.092
HIERARCH ESO ISS AMBI TAU0 START 0.003227
HIERARCH ESO ISS AMBI TAU0 END 0.00309
HIERARCH ESO ISS AMBI TEMP 12.65
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.81